diff --git a/stead/gui.lua b/stead/gui.lua
index 07b1cba..8359439 100644
--- a/stead/gui.lua
+++ b/stead/gui.lua
@@ -63,7 +63,7 @@ end;
 
 iface.nb = function(self, str)
 	if type(str) ~= 'string' then return nil end
-	return "<w:"..str:gsub(">","\\>"):gsub("%^","\\%^")..">";
+	return "<w:"..str:gsub("\\", "\\\\\\"):gsub(">","\\>"):gsub("%^","\\%^")..">";
 end;
 
 iface.under = function(self, str)